public ActionResult UploadFile(EbookFileUploadViewModel viewModel)
{
if (Request.Files.Count != 1 || Request.Files[0].ContentLength == 0)
{
ModelState.AddModelError("uploadError", "File's length is zero, or no files found");
return(View(viewModel));
}
// check the file size (max 4 Mb)
if (Request.Files[0].ContentLength > 1024 * 1024 * 4)
{
ModelState.AddModelError("uploadError", "File size can't exceed 4 MB");
return(View(viewModel));
}
// check the file size (min 100 bytes)
if (Request.Files[0].ContentLength < 100)
{
ModelState.AddModelError("uploadError", "File size is too small");
return(View(viewModel));
}
// check file extension
string extension = Path.GetExtension(Request.Files[0].FileName).ToLower();
if (extension != ".epub")
{
ModelState.AddModelError("uploadError", "Supported file extensions: epub");
return(View(viewModel));
}
// extract only the filename
var fileName = Path.GetFileName(Request.Files[0].FileName);
// store the file inside ~/App_Data/uploads folder
var path = Path.Combine(Server.MapPath("~/App_Data/uploads"), fileName);
try
{
if (System.IO.File.Exists(path))
{
System.IO.File.Delete(path);
}
Request.Files[0].SaveAs(path);
}
catch (Exception)
{
ModelState.AddModelError("uploadError", "Can't save file to disk");
}
if (ModelState.IsValid)
{
using (var data = new DataConnection())
{
var fileUpload = data.CreateNew <FileUpload>();
fileUpload.FileName = fileName;
data.Add(fileUpload);
}
}
return(View(viewModel));
}
public ActionResult UploadFile()
{
var viewModel = new EbookFileUploadViewModel();
return(View(viewModel));
}